1) Art often alfresco 2) Art works 3) Big pictures 4) Cave art 5) Diego rivera art 6) Diego rivera creations 7) Diego Rivera works of art 8) Finds at pompeii 9) Frescoes 10) Met works 11) Paintings on walls 12) Rivera specialties 13) Some egyptian pyramid art 14) The Last Supper and others 15) Wall art Found on https://www.crosswordclues.com/clue/murals